Home / 5,454.69-8,181.60-1,944.54

Finding the Fourth Proportional to 5,454.69, 8,181.60 and 1,944.54

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Solution

The fourth proportional to 5,454.69, 8,181.60 and 1,944.54 is: 2,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.69 : 8,181.60 = 1,944.54 : x
  2. Step 2: Convert to fraction form
    5,454.69/8,181.60 = 1,944.54/x
  3. Step 3: Cross multiply
    5,454.69x = 8,181.60 × 1,944.54
  4. Step 4: Simplify right side
    5,454.69x = 15,909,448.46
  5. Step 5: Solve for x
    x = 15,909,448.46/5,454.69
  6. Step 6: Final answer
    x = 2,916.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.